use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
use Wallabag\UserBundle\Entity\User;
/**
* @ORM\Entity(repositoryClass="Wallabag\GroupBundle\Repository\UserGroupRepository")
* @UniqueEntity({"user_id", "group_id"})
use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
use Wallabag\UserBundle\Entity\User;
/**
* @ORM\Entity(repositoryClass="Wallabag\GroupBundle\Repository\UserGroupRepository")
* @UniqueEntity({"user_id", "group_id"})